enXco Promotes Mark Tholke to Southwest Regional Director

September 15, 2008

enXco, an EDF Energies Nouvelles Company (Paris:EEN), announces the promotion of Mark Tholke to Southwest Regional Director. In this role, Mark is responsible for managing the company’s renewable energy development program in California, New Mexico, Arizona and Nevada, including managing land acquisition, permitting, power marketing and shepherding projects through the interconnection process. Mark joined enXco in 2006 as Regional Project Development Manager and will continue to be based out of enXco’s regional office in San Ramon, California.

“I am delighted to see Mark taking on greater responsibility in the company. Since day one, he has fit perfectly in the ‘doer’ corporate culture of enXco. His wit, his method and his commitment have made, and will continue to make, an impact in the organization,” commented Tristan Grimbert, President and CEO.

Previously, Mark held positions of Vice President for Business Development at Eurus Energy, Commercial Leader at GE Wind Energy, and Western Region Marketing Manager at Green Mountain Energy. Prior to his career in renewable energy, Mark worked at a research affiliate of the Heinz Foundation and the Nature Conservancy in Washington, DC. Mark has a joint MBA/MS in Environmental Science from the University of Michigan and undergraduate degrees in Environmental Science & Economics from the University of California at Santa Cruz.

About enXco, an EDF EN Company:

enXco (www.enxco.com) – an EDF Energies Nouvelles Company (www.edf-energies.nouvelles.com) – develops, constructs, operates and manages renewable energy projects throughout the United States. For more than two decades, we have been a leader in wind-energy focusing on large-scale wind projects. Today enXco’s portfolio includes solar and biomass technologies, in an effort to help drive our nation’s transition to a sustainable energy economy. enXco is a significant owner and developer of renewable energy installations in the United States, and is the largest third-party operations & maintenance provider for wind farms in North America.